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Condensed Consolidated Statements of Operation (Unaudited) (USD $)
 3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Revenues:        
Product sales $ 5,113,660 $ 2,887,467 $ 8,669,722 $ 5,649,812
Contract and other 273,646 302,343 540,214 520,105
Total revenues 5,387,306 3,189,810 9,209,936 6,169,917
Cost of revenues 2,658,050 1,827,741 4,536,129 3,322,025
Gross profit 2,729,256 1,362,069 4,673,807 2,847,892
Operating expenses:        
Selling, general and administrative 1,630,965 1,370,259 3,055,509 2,542,734
Research and development 575,851 456,747 969,392 878,668
Total operating expenses 2,206,816 1,827,006 4,024,901 3,421,402
Income (loss) from operations 522,440 (464,937) 648,906 (573,510)
Other income 5,086 7,159 10,283 15,356
Income (loss) from operations before income taxes 527,526 (457,778) 659,189 (558,154)
Income tax expense 1,600 1,600 1,700 1,600
Net income (loss) $ 525,926 $ (459,378) $ 657,489 $ (559,754)
Net income per common share        
Basic (in Dollars per share) $ 0.02 $ (0.01) $ 0.02 $ (0.02)
Diluted (in Dollars per share) $ 0.02 $ (0.01) $ 0.02 $ (0.02)
Weighted average common shares outstanding:        
Basic (in Shares) 33,133,915 32,399,199 33,080,702 32,397,168
Diluted (in Shares) 34,040,509 32,399,199 33,756,467 32,397,168